513 EM 385-1-1 Chapters 23-29

Sections

29-5. Inspection Requirements.

Blasting Machines

Inspect blasting machines as per the manufacturer’s instructions.

Blast Preparation

Verify and locate all loaded holes or charges before firing.
Inspect all detonating cord connections prior to the blast.

Blaster Assessment

Check that all charges have been exploded.
Assess the blast site to identify safely inspectable components.
Determine the necessary actions based on the Master Blasting Plan.

Motor Vehicle Inspection

Inspect vehicles daily before use to ensure safe transport of explosive materials.
Check for proper condition of fire extinguishers, electrical wiring, chassis, motor, fuel system, brakes, lights, alarms, horns, windshield wipers, defrosters, steering, tires, and safety signs/placards.

Magazine Inventory

Verify inventory contents and quantities including acquisition date, manufacturer details, quantity, description, deliverer information, and daily transactions.
Ensure magazine inspection every seven days with documentation available upon request.

Magazine Inspection

Confirm compliance with ATF P 5400.7 requirements, including proper signage, usage, storage capacity, grounding, and fire department notification.

Blasting Records

Verify records contain names of crew, personnel presence, site location, weather conditions, blast-specific data, sketch of blast site, time of blast, and Blaster-in-Charge’s signature.

29-6. Activity Hazard Analysis (AHA) Requirements.

Develop AHAs according to paragraphs 1-6 or 2-6, as applicable. The AHA must provide provisions for the blasting activities performed to include transportation and handling.

Knowledge Check Choose the best answer for the question.

29-4. During blast preparation, inspect all detonating cord connections _____.

to determine they are properly grounded

to ensure they are connected

prior to the blast

before and after each blast

You forgot to answer the question!

EM 385-1-1 Paragraph 29-5.

29-5. Inspection Requirements.

a.  Blasting Machines.  Inspect blasting machines according to the manufacturer’s instructions. (29-5.a)

b.  All loaded holes or charges must be checked and located, and all detonating cord connections must be inspected before firing the blast.  (29-5.b)

c.  Blaster.  Inspect the blaster to determine that all charges have been exploded. An assessment of the blast site must include identification of components that may safely be inspected and a determination of the appropriate actions according to the Master Blasting Plan. (29-5.c)

d.  Motor Vehicle.  Motor vehicles used for transporting explosive materials must be inspected each day before use to determine that it is in proper condition for safe transportation.  The inspection must verify that:  (29-5.d)

(1)  Fire extinguishers are charged and ready for use.

(2)  All electric wiring is protected and fastened to prevent short-circuiting.

(3)  Chassis, motor, pan, and underside of body are reasonably clean and free of excess oil and grease.

(4)  Fuel tanks, feed lines, and crossover lines are secure and have no leaks.

(5)  Brakes, lights (including back-up lights), alarms, horns, windshield wipers, defrosters, and steering apparatus are functioning properly.

(6)  Tires are properly inflated and are in serviceable condition, and free of defects and mismatching, which might cause overheating or failure.

(7)  Safety signs/placards are displayed.

e.  Magazine Inventory.  Inspect magazine inventories to verify contents and quantities including: (29-5.e)

(1)  Date of acquisition.

(2)  Name/Brand of manufacturer.

(3)  Manufacturers marks/identification.

(4)  Quantity.

(5)  Description.

(6)  Name, address, and license number of the deliverer.

(7)  Daily transactions with documentation available upon request.

(8)  That the magazine was inspected at least every seven days with documentation available upon request.

f.  Magazines. Inspect magazines to verify:  (29-5.f)

(1)  Magazine and locks meet the requirements of ATF P 5400.7.

(2)  All access roads to explosive material storage facilities are posted with a sign stating not to fight explosive fires, that explosives are stored onsite, and a contact number.

(3)  All signs are located so that a bullet passing through the sign will not strike a magazine.

(4)  Magazines are only used to store explosive materials and other blasting materials.

(5)  That the total net explosive weight stored does not exceed the quantity for which the magazine is suited.

(6)  The magazine is properly grounded.

(7)  The local fire department has been notified of the type, magazine capacity, and location of each site where explosive materials are stored.

g.  Blasting Records. Inspect blasting records to verify that they contain:  (29-5.g)

(1)  Names of the Blaster-in-Charge and individual crew members.

(2)  Names of all personnel present at the blast site during loading.

(3)  The exact blast site location and weather conditions.

(4)  Individual blast-specific information to include loading of holes, geologic data such as changes of rock conditions observed in drilling bore holes, and vibration compliance data.

(5)  A sketch of the blast site showing the locations and number of detonators and primers and pounds of explosive.

(6)  Time of the blast.

(7)  The Blaster-in-Charge’s signature.